[linux-next:master] BUILD REGRESSION 42d0b5f52c9b633a10626da27786049c76d4ea75

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tree/branch: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
branch HEAD: 42d0b5f52c9b633a10626da27786049c76d4ea75  Add linux-next specific files for 20210727

Error/Warning reports:

https://lore.kernel.org/linux-mm/202107021633.Jpg5O1Qt-lkp@xxxxxxxxx
https://lore.kernel.org/linux-mm/202107272115.MJoFlUGY-lkp@xxxxxxxxx

Error/Warning in current branch:

../../drivers/virtio/virtio_ring.c:1277:36: error: 'head_flags' may be used uninitialized in this function [-Werror=maybe-uninitialized]
../../drivers/virtio/virtio_ring.c:578:29: error: 'prev' may be used uninitialized in this function [-Werror=maybe-uninitialized]
./linux/../../../include/linux/vringh.h:50:2: error: unknown type name 'spinlock_t'
arch/arm64/include/asm/syscall_wrapper.h:76:25: warning: no previous prototype for '__arm64_sys_memfd_secret' [-Wmissing-prototypes]
arch/arm64/include/asm/syscall_wrapper.h:76:25: warning: no previous prototype for '__arm64_sys_quotactl_fd' [-Wmissing-prototypes]
drivers/gpu/drm/amd/amdgpu/../amdkfd/kfd_svm.c:1162:22: warning: variable 'bo_va' set but not used [-Wunused-but-set-variable]
drivers/gpu/drm/amd/amdgpu/../display/dc/dcn303/dcn303_init.c:12:6: warning: no previous prototype for 'dcn303_hw_sequencer_construct' [-Wmissing-prototypes]
drivers/gpu/drm/amd/amdgpu/../include/asic_reg/dcn/dcn_3_0_3_sh_mask.h:7593:111: warning: initialized field overwritten [-Woverride-init]
drivers/gpu/drm/tegra/uapi.c:284:5: warning: no previous prototype for 'tegra_drm_ioctl_gem_create' [-Wmissing-prototypes]
drivers/gpu/drm/tegra/uapi.c:301:5: warning: no previous prototype for 'tegra_drm_ioctl_gem_mmap' [-Wmissing-prototypes]
main.c:117:50: error: 'ret' undeclared (first use in this function)
mm/memory_hotplug.c:748:33: error: no member named 'cma_pages' in 'struct zone'
usr/include/linux/if_ether.h:169:1: error: packed attribute is unnecessary for 'ethhdr' [-Werror=packed]

possible Error/Warning in current branch:

(.text+0x500): undefined reference to `sync_file_create'
direct.c:(.text+0x1040): undefined reference to `arch_sync_dma_for_cpu'
direct.c:(.text+0x268): undefined reference to `arch_sync_dma_for_device'
drivers/gpu/drm/nouveau/dispnv50/disp.c:1670:28: error: invalid use of undefined type 'struct nouveau_backlight'
drivers/gpu/host1x/fence.c:168:5: warning: no previous prototype for 'host1x_fence_create_fd' [-Wmissing-prototypes]
drivers/leds/flash/leds-lm3601x.c:226:3: warning: Value stored to 'ret' is never read [clang-analyzer-deadcode.DeadStores]
fs/ext4/mballoc.c:1333:4: warning: 1st function call argument is an uninitialized value [clang-analyzer-core.CallAndMessage]
mapping.c:(.text+0x510): undefined reference to `arch_sync_dma_for_device'
setup.c:(.init.text+0x14b8): undefined reference to `plat_swiotlb_setup'

Error/Warning ids grouped by kconfigs:

gcc_recent_errors
|-- arm-allmodconfig
|   |-- drivers-gpu-drm-tegra-uapi.c:warning:no-previous-prototype-for-tegra_drm_ioctl_gem_create
|   |-- drivers-gpu-drm-tegra-uapi.c:warning:no-previous-prototype-for-tegra_drm_ioctl_gem_mmap
|   `-- drivers-gpu-host1x-fence.c:warning:no-previous-prototype-for-host1x_fence_create_fd
|-- arm-allyesconfig
|   |-- drivers-gpu-drm-tegra-uapi.c:warning:no-previous-prototype-for-tegra_drm_ioctl_gem_create
|   |-- drivers-gpu-drm-tegra-uapi.c:warning:no-previous-prototype-for-tegra_drm_ioctl_gem_mmap
|   `-- drivers-gpu-host1x-fence.c:warning:no-previous-prototype-for-host1x_fence_create_fd
|-- arm-defconfig
|   |-- drivers-gpu-drm-tegra-uapi.c:warning:no-previous-prototype-for-tegra_drm_ioctl_gem_create
|   |-- drivers-gpu-drm-tegra-uapi.c:warning:no-previous-prototype-for-tegra_drm_ioctl_gem_mmap
|   `-- drivers-gpu-host1x-fence.c:warning:no-previous-prototype-for-host1x_fence_create_fd
|-- arm-randconfig-r015-20210728
|   |-- direct.c:(.text):undefined-reference-to-arch_sync_dma_for_cpu
|   |-- direct.c:(.text):undefined-reference-to-arch_sync_dma_for_device
|   `-- mapping.c:(.text):undefined-reference-to-arch_sync_dma_for_device
|-- arm64-allmodconfig
|   |-- arch-arm64-include-asm-syscall_wrapper.h:warning:no-previous-prototype-for-__arm64_sys_memfd_secret
|   |-- arch-arm64-include-asm-syscall_wrapper.h:warning:no-previous-prototype-for-__arm64_sys_quotactl_fd
|   |-- drivers-gpu-drm-amd-amdgpu-..-amdkfd-kfd_svm.c:warning:variable-bo_va-set-but-not-used
|   |-- drivers-gpu-drm-tegra-uapi.c:warning:no-previous-prototype-for-tegra_drm_ioctl_gem_create
|   |-- drivers-gpu-drm-tegra-uapi.c:warning:no-previous-prototype-for-tegra_drm_ioctl_gem_mmap
|   `-- drivers-gpu-host1x-fence.c:warning:no-previous-prototype-for-host1x_fence_create_fd
|-- arm64-allyesconfig
|   |-- arch-arm64-include-asm-syscall_wrapper.h:warning:no-previous-prototype-for-__arm64_sys_memfd_secret
|   |-- arch-arm64-include-asm-syscall_wrapper.h:warning:no-previous-prototype-for-__arm64_sys_quotactl_fd
|   |-- drivers-gpu-drm-amd-amdgpu-..-amdkfd-kfd_svm.c:warning:variable-bo_va-set-but-not-used
|   |-- drivers-gpu-drm-tegra-uapi.c:warning:no-previous-prototype-for-tegra_drm_ioctl_gem_create
|   |-- drivers-gpu-drm-tegra-uapi.c:warning:no-previous-prototype-for-tegra_drm_ioctl_gem_mmap
|   `-- drivers-gpu-host1x-fence.c:warning:no-previous-prototype-for-host1x_fence_create_fd
|-- arm64-defconfig
|   |-- arch-arm64-include-asm-syscall_wrapper.h:warning:no-previous-prototype-for-__arm64_sys_memfd_secret
|   |-- arch-arm64-include-asm-syscall_wrapper.h:warning:no-previous-prototype-for-__arm64_sys_quotactl_fd
|   |-- drivers-gpu-drm-tegra-uapi.c:warning:no-previous-prototype-for-tegra_drm_ioctl_gem_create
|   |-- drivers-gpu-drm-tegra-uapi.c:warning:no-previous-prototype-for-tegra_drm_ioctl_gem_mmap
|   `-- drivers-gpu-host1x-fence.c:warning:no-previous-prototype-for-host1x_fence_create_fd
|-- arm64-randconfig-r025-20210727
|   |-- arch-arm64-include-asm-syscall_wrapper.h:warning:no-previous-prototype-for-__arm64_sys_memfd_secret
|   `-- arch-arm64-include-asm-syscall_wrapper.h:warning:no-previous-prototype-for-__arm64_sys_quotactl_fd
|-- arm64-randconfig-r033-20210726
|   `-- (.text):undefined-reference-to-sync_file_create
|-- i386-allyesconfig
|   |-- drivers-gpu-drm-amd-amdgpu-..-display-dc-dcn303-dcn303_init.c:warning:no-previous-prototype-for-dcn303_hw_sequencer_construct
|   `-- drivers-gpu-drm-amd-amdgpu-..-include-asic_reg-dcn-dcn_3_0_3_sh_mask.h:warning:initialized-field-overwritten
|-- i386-randconfig-a003-20210727
|   `-- drivers-gpu-drm-nouveau-dispnv50-disp.c:error:invalid-use-of-undefined-type-struct-nouveau_backlight
|-- i386-randconfig-a005-20210727
|   `-- drivers-gpu-drm-nouveau-dispnv50-disp.c:error:invalid-use-of-undefined-type-struct-nouveau_backlight
|-- i386-randconfig-a006-20210727
|   |-- drivers-gpu-drm-amd-amdgpu-..-display-dc-dcn303-dcn303_init.c:warning:no-previous-prototype-for-dcn303_hw_sequencer_construct
|   `-- drivers-gpu-drm-amd-amdgpu-..-include-asic_reg-dcn-dcn_3_0_3_sh_mask.h:warning:initialized-field-overwritten
|-- i386-randconfig-a011-20210727
|   `-- drivers-gpu-drm-nouveau-dispnv50-disp.c:error:invalid-use-of-undefined-type-struct-nouveau_backlight
|-- mips-allmodconfig
|   `-- setup.c:(.init.text):undefined-reference-to-plat_swiotlb_setup
|-- mips-allyesconfig
|   `-- setup.c:(.init.text):undefined-reference-to-plat_swiotlb_setup
|-- powerpc-allmodconfig
|   `-- drivers-gpu-drm-amd-amdgpu-..-amdkfd-kfd_svm.c:warning:variable-bo_va-set-but-not-used
|-- powerpc-allyesconfig
|   `-- drivers-gpu-drm-amd-amdgpu-..-amdkfd-kfd_svm.c:warning:variable-bo_va-set-but-not-used
|-- powerpc64-randconfig-c003-20210727
|   `-- drivers-gpu-drm-nouveau-dispnv50-disp.c:error:invalid-use-of-undefined-type-struct-nouveau_backlight
|-- s390-randconfig-r026-20210727
|   `-- drivers-gpu-drm-nouveau-dispnv50-disp.c:error:invalid-use-of-undefined-type-struct-nouveau_backlight
|-- x86_64-allyesconfig
|   `-- drivers-gpu-drm-amd-amdgpu-..-amdkfd-kfd_svm.c:warning:variable-bo_va-set-but-not-used
|-- x86_64-randconfig-a013-20210727
|   `-- drivers-gpu-drm-nouveau-dispnv50-disp.c:error:invalid-use-of-undefined-type-struct-nouveau_backlight
|-- x86_64-randconfig-a015-20210727
|   |-- drivers-gpu-drm-amd-amdgpu-..-display-dc-dcn303-dcn303_init.c:warning:no-previous-prototype-for-dcn303_hw_sequencer_construct
|   `-- drivers-gpu-drm-amd-amdgpu-..-include-asic_reg-dcn-dcn_3_0_3_sh_mask.h:warning:initialized-field-overwritten
|-- x86_64-randconfig-a016-20210727
|   `-- drivers-gpu-drm-nouveau-dispnv50-disp.c:error:invalid-use-of-undefined-type-struct-nouveau_backlight
|-- x86_64-randconfig-c022-20210728
|   |-- drivers-gpu-drm-amd-amdgpu-..-display-dc-dcn303-dcn303_init.c:warning:no-previous-prototype-for-dcn303_hw_sequencer_construct
|   |-- drivers-gpu-drm-amd-amdgpu-..-include-asic_reg-dcn-dcn_3_0_3_sh_mask.h:warning:initialized-field-overwritten
|   `-- drivers-gpu-drm-nouveau-dispnv50-disp.c:error:invalid-use-of-undefined-type-struct-nouveau_backlight
|-- x86_64-randconfig-r023-20210727
|   |-- drivers-gpu-drm-amd-amdgpu-..-display-dc-dcn303-dcn303_init.c:warning:no-previous-prototype-for-dcn303_hw_sequencer_construct
|   |-- drivers-gpu-drm-amd-amdgpu-..-include-asic_reg-dcn-dcn_3_0_3_sh_mask.h:warning:initialized-field-overwritten
|   `-- drivers-gpu-drm-nouveau-dispnv50-disp.c:error:invalid-use-of-undefined-type-struct-nouveau_backlight
`-- x86_64-rhel-8.3-kselftests
    |-- drivers-virtio-virtio_ring.c:error:head_flags-may-be-used-uninitialized-in-this-function
    |-- drivers-virtio-virtio_ring.c:error:prev-may-be-used-uninitialized-in-this-function
    |-- linux-..-..-..-include-linux-vringh.h:error:unknown-type-name-spinlock_t
    |-- main.c:error:ret-undeclared-(first-use-in-this-function)
    `-- usr-include-linux-if_ether.h:error:packed-attribute-is-unnecessary-for-ethhdr

clang_recent_errors
|-- x86_64-randconfig-a006-20210727
|   `-- mm-memory_hotplug.c:error:no-member-named-cma_pages-in-struct-zone
|-- x86_64-randconfig-a015-20210728
|   `-- sound-pci-vx222-vx222.o:warning:objtool:snd_vx222_probe()-falls-through-to-next-function-snd_vx222_suspend()
|-- x86_64-randconfig-c001-20210726
|   `-- drivers-leds-flash-leds-lm3601x.c:warning:Value-stored-to-ret-is-never-read-clang-analyzer-deadcode.DeadStores
`-- x86_64-randconfig-c001-20210727
    `-- fs-ext4-mballoc.c:warning:1st-function-call-argument-is-an-uninitialized-value-clang-analyzer-core.CallAndMessage

elapsed time: 1224m

configs tested: 87
configs skipped: 3

gcc tested configs:
arm                                 defconfig
arm64                            allyesconfig
arm64                               defconfig
arm                              allyesconfig
arm                              allmodconfig
sparc                            allyesconfig
i386                 randconfig-c001-20210727
xtensa                           allyesconfig
h8300                            allyesconfig
sh                               allmodconfig
parisc                           allyesconfig
arc                              allyesconfig
nios2                            allyesconfig
alpha                            allyesconfig
mips                           gcw0_defconfig
powerpc                      mgcoge_defconfig
x86_64                           alldefconfig
arm                         palmz72_defconfig
xtensa                         virt_defconfig
arc                     haps_hs_smp_defconfig
ia64                          tiger_defconfig
arm                           stm32_defconfig
arm                        mini2440_defconfig
um                                  defconfig
x86_64                            allnoconfig
ia64                             allmodconfig
ia64                                defconfig
ia64                             allyesconfig
m68k                             allmodconfig
m68k                                defconfig
m68k                             allyesconfig
nios2                               defconfig
nds32                             allnoconfig
nds32                               defconfig
csky                                defconfig
alpha                               defconfig
arc                                 defconfig
parisc                              defconfig
s390                             allyesconfig
s390                             allmodconfig
s390                                defconfig
sparc                               defconfig
i386                                defconfig
i386                             allyesconfig
mips                             allyesconfig
mips                             allmodconfig
powerpc                          allyesconfig
powerpc                          allmodconfig
powerpc                           allnoconfig
i386                 randconfig-a005-20210727
i386                 randconfig-a003-20210727
i386                 randconfig-a004-20210727
i386                 randconfig-a002-20210727
i386                 randconfig-a001-20210727
i386                 randconfig-a006-20210727
x86_64               randconfig-a011-20210727
x86_64               randconfig-a016-20210727
x86_64               randconfig-a013-20210727
x86_64               randconfig-a014-20210727
x86_64               randconfig-a012-20210727
x86_64               randconfig-a015-20210727
i386                 randconfig-a016-20210727
i386                 randconfig-a013-20210727
i386                 randconfig-a012-20210727
i386                 randconfig-a011-20210727
i386                 randconfig-a014-20210727
i386                 randconfig-a015-20210727
riscv                    nommu_k210_defconfig
riscv                            allyesconfig
riscv                    nommu_virt_defconfig
riscv                             allnoconfig
riscv                               defconfig
riscv                          rv32_defconfig
riscv                            allmodconfig
um                           x86_64_defconfig
um                             i386_defconfig
x86_64                           allyesconfig
x86_64                    rhel-8.3-kselftests
x86_64                              defconfig
x86_64                                  kexec

clang tested configs:
x86_64               randconfig-c001-20210727
x86_64               randconfig-a003-20210727
x86_64               randconfig-a006-20210727
x86_64               randconfig-a001-20210727
x86_64               randconfig-a005-20210727
x86_64               randconfig-a004-20210727
x86_64               randconfig-a002-20210727

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx




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